# Name: BuildNetwork_ex02.py
# Description: Build a network dataset.
# Requirements: Network Analyst extension
#Import system modules
import arcpy
import sys
import os
import shutil
try:
#Set environment settings
arcpy.env.workspace = "C:/data/SanFrancisco.gdb"
#Set local variables
inNetworkDataset = "Transportation/Streets_ND"
#Build the network dataset
arcpy.na.BuildNetwork(inNetworkDataset)
#If there are any build errors, they are recorded in a BuildErrors.txt file
#present in the system temp directory. So copy this file to the directory
#containing this script
#First get the path to the system temp directory
tempDir = os.environ.get("TEMP")
if tempDir:
shutil.copy2(os.path.join(tempDir,"BuildErrors.txt"),sys.path[0])
print("Script completed successfully.")
except Exception as e:
# If an error occurred, print line number and error message
import traceback, sys
tb = sys.exc_info()[2]
print("An error occurred on line %i" % tb.tb_lineno)
print(str(e))